2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8 * Copyright (c) 2002-2014, Professor Benoit Macq
9 * Copyright (c) 2001-2003, David Janssens
10 * Copyright (c) 2002-2003, Yannick Verschueren
11 * Copyright (c) 2003-2007, Francois-Olivier Devaux
12 * Copyright (c) 2003-2014, Antonin Descampe
13 * Copyright (c) 2005, Herve Drolon, FreeImage Team
14 * Copyright (c) 2007, Jonathan Ballard <dzonatas@dzonux.net>
15 * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
16 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
17 * All rights reserved.
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20 * modification, are permitted provided that the following conditions
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23 * notice, this list of conditions and the following disclaimer.
24 * 2. Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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38 * POSSIBILITY OF SUCH DAMAGE.
43 #define OPJ_SKIP_POISON
44 #include "opj_includes.h"
47 #include <xmmintrin.h>
50 #include <emmintrin.h>
53 #include <tmmintrin.h>
56 #include <immintrin.h>
60 #pragma GCC poison malloc calloc realloc free
63 /** @defgroup DWT DWT - Implementation of a discrete wavelet transform */
66 #define OPJ_WS(i) v->mem[(i)*2]
67 #define OPJ_WD(i) v->mem[(1+(i)*2)]
70 /** Number of int32 values in a AVX2 register */
71 #define VREG_INT_COUNT 8
73 /** Number of int32 values in a SSE2 register */
74 #define VREG_INT_COUNT 4
77 /** Number of columns that we can process in parallel in the vertical pass */
78 #define PARALLEL_COLS_53 (2*VREG_INT_COUNT)
80 /** @name Local data structures */
83 typedef struct dwt_local {
85 OPJ_INT32 dn; /* number of elements in high pass band */
86 OPJ_INT32 sn; /* number of elements in low pass band */
87 OPJ_INT32 cas; /* 0 = start on even coord, 1 = start on odd coord */
94 typedef struct v4dwt_local {
96 OPJ_INT32 dn ; /* number of elements in high pass band */
97 OPJ_INT32 sn ; /* number of elements in low pass band */
98 OPJ_INT32 cas ; /* 0 = start on even coord, 1 = start on odd coord */
99 OPJ_UINT32 win_l_x0; /* start coord in low pass band */
100 OPJ_UINT32 win_l_x1; /* end coord in low pass band */
101 OPJ_UINT32 win_h_x0; /* start coord in high pass band */
102 OPJ_UINT32 win_h_x1; /* end coord in high pass band */
105 static const OPJ_FLOAT32 opj_dwt_alpha = 1.586134342f; /* 12994 */
106 static const OPJ_FLOAT32 opj_dwt_beta = 0.052980118f; /* 434 */
107 static const OPJ_FLOAT32 opj_dwt_gamma = -0.882911075f; /* -7233 */
108 static const OPJ_FLOAT32 opj_dwt_delta = -0.443506852f; /* -3633 */
110 static const OPJ_FLOAT32 opj_K = 1.230174105f; /* 10078 */
111 static const OPJ_FLOAT32 opj_c13318 = 1.625732422f;
116 Virtual function type for wavelet transform in 1-D
118 typedef void (*DWT1DFN)(const opj_dwt_t* v);
120 /** @name Local static functions */
124 Forward lazy transform (horizontal)
126 static void opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn,
127 OPJ_INT32 sn, OPJ_INT32 cas);
129 Forward lazy transform (vertical)
131 static void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn,
132 OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas);
134 Forward 5-3 wavelet transform in 1-D
136 static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
139 Forward 9-7 wavelet transform in 1-D
141 static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
144 Explicit calculation of the Quantization Stepsizes
146 static void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps,
147 opj_stepsize_t *bandno_stepsize);
149 Inverse wavelet transform in 2-D.
151 static OPJ_BOOL opj_dwt_decode_tile(opj_thread_pool_t* tp,
152 opj_tcd_tilecomp_t* tilec, OPJ_UINT32 i);
154 static OPJ_BOOL opj_dwt_decode_partial_tile(
155 opj_tcd_tilecomp_t* tilec,
158 static OPJ_BOOL opj_dwt_encode_procedure(opj_tcd_tilecomp_t * tilec,
159 void (*p_function)(OPJ_INT32 *, OPJ_INT32, OPJ_INT32, OPJ_INT32));
161 static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* OPJ_RESTRICT r,
165 /* Inverse 9-7 wavelet transform in 1-D. */
167 static void opj_v4dwt_decode(opj_v4dwt_t* OPJ_RESTRICT dwt);
169 static void opj_v4dwt_interleave_h(opj_v4dwt_t* OPJ_RESTRICT dwt,
170 OPJ_FLOAT32* OPJ_RESTRICT a,
172 OPJ_UINT32 remaining_height);
174 static void opj_v4dwt_interleave_v(opj_v4dwt_t* OPJ_RESTRICT dwt,
175 OPJ_FLOAT32* OPJ_RESTRICT a,
177 OPJ_UINT32 nb_elts_read);
180 static void opj_v4dwt_decode_step1_sse(opj_v4_t* w,
185 static void opj_v4dwt_decode_step2_sse(opj_v4_t* l, opj_v4_t* w,
188 OPJ_UINT32 m, __m128 c);
191 static void opj_v4dwt_decode_step1(opj_v4_t* w,
194 const OPJ_FLOAT32 c);
196 static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w,
208 #define OPJ_S(i) a[(i)*2]
209 #define OPJ_D(i) a[(1+(i)*2)]
210 #define OPJ_S_(i) ((i)<0?OPJ_S(0):((i)>=sn?OPJ_S(sn-1):OPJ_S(i)))
211 #define OPJ_D_(i) ((i)<0?OPJ_D(0):((i)>=dn?OPJ_D(dn-1):OPJ_D(i)))
213 #define OPJ_SS_(i) ((i)<0?OPJ_S(0):((i)>=dn?OPJ_S(dn-1):OPJ_S(i)))
214 #define OPJ_DD_(i) ((i)<0?OPJ_D(0):((i)>=sn?OPJ_D(sn-1):OPJ_D(i)))
217 /* This table contains the norms of the 5-3 wavelets for different bands. */
219 static const OPJ_FLOAT64 opj_dwt_norms[4][10] = {
220 {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3},
221 {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
222 {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
223 {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93}
227 /* This table contains the norms of the 9-7 wavelets for different bands. */
229 static const OPJ_FLOAT64 opj_dwt_norms_real[4][10] = {
230 {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
231 {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
232 {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
233 {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
237 ==========================================================
239 ==========================================================
243 /* Forward lazy transform (horizontal). */
245 static void opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn,
246 OPJ_INT32 sn, OPJ_INT32 cas)
249 OPJ_INT32 * l_dest = b;
250 OPJ_INT32 * l_src = a + cas;
252 for (i = 0; i < sn; ++i) {
260 for (i = 0; i < dn; ++i) {
267 /* Forward lazy transform (vertical). */
269 static void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn,
270 OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas)
273 OPJ_INT32 * l_dest = b;
274 OPJ_INT32 * l_src = a + cas;
280 } /* b[i*x]=a[2*i+cas]; */
282 l_dest = b + (size_t)sn * (size_t)x;
290 } /*b[(sn+i)*x]=a[(2*i+1-cas)];*/
293 #ifdef STANDARD_SLOW_VERSION
295 /* Inverse lazy transform (horizontal). */
297 static void opj_dwt_interleave_h(const opj_dwt_t* h, OPJ_INT32 *a)
300 OPJ_INT32 *bi = h->mem + h->cas;
307 bi = h->mem + 1 - h->cas;
316 /* Inverse lazy transform (vertical). */
318 static void opj_dwt_interleave_v(const opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x)
321 OPJ_INT32 *bi = v->mem + v->cas;
328 ai = a + (v->sn * (size_t)x);
329 bi = v->mem + 1 - v->cas;
338 #endif /* STANDARD_SLOW_VERSION */
341 /* Forward 5-3 wavelet transform in 1-D. */
343 static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
349 if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
350 for (i = 0; i < dn; i++) {
351 OPJ_D(i) -= (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
353 for (i = 0; i < sn; i++) {
354 OPJ_S(i) += (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
358 if (!sn && dn == 1) { /* NEW : CASE ONE ELEMENT */
361 for (i = 0; i < dn; i++) {
362 OPJ_S(i) -= (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1;
364 for (i = 0; i < sn; i++) {
365 OPJ_D(i) += (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2;
371 #ifdef STANDARD_SLOW_VERSION
373 /* Inverse 5-3 wavelet transform in 1-D. */
375 static void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
381 if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
382 for (i = 0; i < sn; i++) {
383 OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
385 for (i = 0; i < dn; i++) {
386 OPJ_D(i) += (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
390 if (!sn && dn == 1) { /* NEW : CASE ONE ELEMENT */
393 for (i = 0; i < sn; i++) {
394 OPJ_D(i) -= (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2;
396 for (i = 0; i < dn; i++) {
397 OPJ_S(i) += (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1;
403 static void opj_dwt_decode_1(const opj_dwt_t *v)
405 opj_dwt_decode_1_(v->mem, v->dn, v->sn, v->cas);
408 #endif /* STANDARD_SLOW_VERSION */
410 #if !defined(STANDARD_SLOW_VERSION)
411 static void opj_idwt53_h_cas0(OPJ_INT32* tmp,
417 const OPJ_INT32* in_even = &tiledp[0];
418 const OPJ_INT32* in_odd = &tiledp[sn];
420 #ifdef TWO_PASS_VERSION
421 /* For documentation purpose: performs lifting in two iterations, */
422 /* but without explicit interleaving */
427 tmp[0] = in_even[0] - ((in_odd[0] + 1) >> 1);
428 for (i = 2, j = 0; i <= len - 2; i += 2, j++) {
429 tmp[i] = in_even[j + 1] - ((in_odd[j] + in_odd[j + 1] + 2) >> 2);
431 if (len & 1) { /* if len is odd */
432 tmp[len - 1] = in_even[(len - 1) / 2] - ((in_odd[(len - 2) / 2] + 1) >> 1);
436 for (i = 1, j = 0; i < len - 1; i += 2, j++) {
437 tmp[i] = in_odd[j] + ((tmp[i - 1] + tmp[i + 1]) >> 1);
439 if (!(len & 1)) { /* if len is even */
440 tmp[len - 1] = in_odd[(len - 1) / 2] + tmp[len - 2];
443 OPJ_INT32 d1c, d1n, s1n, s0c, s0n;
447 /* Improved version of the TWO_PASS_VERSION: */
448 /* Performs lifting in one single iteration. Saves memory */
449 /* accesses and explicit interleaving. */
452 s0n = s1n - ((d1n + 1) >> 1);
454 for (i = 0, j = 1; i < (len - 3); i += 2, j++) {
461 s0n = s1n - ((d1c + d1n + 2) >> 2);
464 tmp[i + 1] = d1c + ((s0c + s0n) >> 1);
470 tmp[len - 1] = in_even[(len - 1) / 2] - ((d1n + 1) >> 1);
471 tmp[len - 2] = d1n + ((s0n + tmp[len - 1]) >> 1);
473 tmp[len - 1] = d1n + s0n;
476 memcpy(tiledp, tmp, (OPJ_UINT32)len * sizeof(OPJ_INT32));
479 static void opj_idwt53_h_cas1(OPJ_INT32* tmp,
485 const OPJ_INT32* in_even = &tiledp[sn];
486 const OPJ_INT32* in_odd = &tiledp[0];
488 #ifdef TWO_PASS_VERSION
489 /* For documentation purpose: performs lifting in two iterations, */
490 /* but without explicit interleaving */
495 for (i = 1, j = 0; i < len - 1; i += 2, j++) {
496 tmp[i] = in_odd[j] - ((in_even[j] + in_even[j + 1] + 2) >> 2);
499 tmp[len - 1] = in_odd[len / 2 - 1] - ((in_even[len / 2 - 1] + 1) >> 1);
503 tmp[0] = in_even[0] + tmp[1];
504 for (i = 2, j = 1; i < len - 1; i += 2, j++) {
505 tmp[i] = in_even[j] + ((tmp[i + 1] + tmp[i - 1]) >> 1);
508 tmp[len - 1] = in_even[len / 2] + tmp[len - 2];
511 OPJ_INT32 s1, s2, dc, dn;
515 /* Improved version of the TWO_PASS_VERSION: */
516 /* Performs lifting in one single iteration. Saves memory */
517 /* accesses and explicit interleaving. */
520 dc = in_odd[0] - ((in_even[0] + s1 + 2) >> 2);
521 tmp[0] = in_even[0] + dc;
523 for (i = 1, j = 1; i < (len - 2 - !(len & 1)); i += 2, j++) {
527 dn = in_odd[j] - ((s1 + s2 + 2) >> 2);
529 tmp[i + 1] = s1 + ((dn + dc) >> 1);
538 dn = in_odd[len / 2 - 1] - ((s1 + 1) >> 1);
539 tmp[len - 2] = s1 + ((dn + dc) >> 1);
542 tmp[len - 1] = s1 + dc;
545 memcpy(tiledp, tmp, (OPJ_UINT32)len * sizeof(OPJ_INT32));
549 #endif /* !defined(STANDARD_SLOW_VERSION) */
552 /* Inverse 5-3 wavelet transform in 1-D for one row. */
554 /* Performs interleave, inverse wavelet transform and copy back to buffer */
555 static void opj_idwt53_h(const opj_dwt_t *dwt,
558 #ifdef STANDARD_SLOW_VERSION
559 /* For documentation purpose */
560 opj_dwt_interleave_h(dwt, tiledp);
561 opj_dwt_decode_1(dwt);
562 memcpy(tiledp, dwt->mem, (OPJ_UINT32)(dwt->sn + dwt->dn) * sizeof(OPJ_INT32));
564 const OPJ_INT32 sn = dwt->sn;
565 const OPJ_INT32 len = sn + dwt->dn;
566 if (dwt->cas == 0) { /* Left-most sample is on even coordinate */
568 opj_idwt53_h_cas0(dwt->mem, sn, len, tiledp);
570 /* Unmodified value */
572 } else { /* Left-most sample is on odd coordinate */
575 } else if (len == 2) {
576 OPJ_INT32* out = dwt->mem;
577 const OPJ_INT32* in_even = &tiledp[sn];
578 const OPJ_INT32* in_odd = &tiledp[0];
579 out[1] = in_odd[0] - ((in_even[0] + 1) >> 1);
580 out[0] = in_even[0] + out[1];
581 memcpy(tiledp, dwt->mem, (OPJ_UINT32)len * sizeof(OPJ_INT32));
582 } else if (len > 2) {
583 opj_idwt53_h_cas1(dwt->mem, sn, len, tiledp);
589 #if (defined(__SSE2__) || defined(__AVX2__)) && !defined(STANDARD_SLOW_VERSION)
591 /* Conveniency macros to improve the readabilty of the formulas */
594 #define LOAD_CST(x) _mm256_set1_epi32(x)
595 #define LOAD(x) _mm256_load_si256((const VREG*)(x))
596 #define LOADU(x) _mm256_loadu_si256((const VREG*)(x))
597 #define STORE(x,y) _mm256_store_si256((VREG*)(x),(y))
598 #define STOREU(x,y) _mm256_storeu_si256((VREG*)(x),(y))
599 #define ADD(x,y) _mm256_add_epi32((x),(y))
600 #define SUB(x,y) _mm256_sub_epi32((x),(y))
601 #define SAR(x,y) _mm256_srai_epi32((x),(y))
604 #define LOAD_CST(x) _mm_set1_epi32(x)
605 #define LOAD(x) _mm_load_si128((const VREG*)(x))
606 #define LOADU(x) _mm_loadu_si128((const VREG*)(x))
607 #define STORE(x,y) _mm_store_si128((VREG*)(x),(y))
608 #define STOREU(x,y) _mm_storeu_si128((VREG*)(x),(y))
609 #define ADD(x,y) _mm_add_epi32((x),(y))
610 #define SUB(x,y) _mm_sub_epi32((x),(y))
611 #define SAR(x,y) _mm_srai_epi32((x),(y))
613 #define ADD3(x,y,z) ADD(ADD(x,y),z)
616 void opj_idwt53_v_final_memcpy(OPJ_INT32* tiledp_col,
617 const OPJ_INT32* tmp,
622 for (i = 0; i < len; ++i) {
623 /* A memcpy(&tiledp_col[i * stride + 0],
624 &tmp[PARALLEL_COLS_53 * i + 0],
625 PARALLEL_COLS_53 * sizeof(OPJ_INT32))
626 would do but would be a tiny bit slower.
627 We can take here advantage of our knowledge of alignment */
628 STOREU(&tiledp_col[(size_t)i * stride + 0],
629 LOAD(&tmp[PARALLEL_COLS_53 * i + 0]));
630 STOREU(&tiledp_col[(size_t)i * stride + VREG_INT_COUNT],
631 LOAD(&tmp[PARALLEL_COLS_53 * i + VREG_INT_COUNT]));
635 /** Vertical inverse 5x3 wavelet transform for 8 columns in SSE2, or
636 * 16 in AVX2, when top-most pixel is on even coordinate */
637 static void opj_idwt53_v_cas0_mcols_SSE2_OR_AVX2(
641 OPJ_INT32* tiledp_col,
644 const OPJ_INT32* in_even = &tiledp_col[0];
645 const OPJ_INT32* in_odd = &tiledp_col[(size_t)sn * stride];
649 VREG d1c_0, d1n_0, s1n_0, s0c_0, s0n_0;
650 VREG d1c_1, d1n_1, s1n_1, s0c_1, s0n_1;
651 const VREG two = LOAD_CST(2);
655 assert(PARALLEL_COLS_53 == 16);
656 assert(VREG_INT_COUNT == 8);
658 assert(PARALLEL_COLS_53 == 8);
659 assert(VREG_INT_COUNT == 4);
662 /* Note: loads of input even/odd values must be done in a unaligned */
663 /* fashion. But stores in tmp can be done with aligned store, since */
664 /* the temporary buffer is properly aligned */
665 assert((size_t)tmp % (sizeof(OPJ_INT32) * VREG_INT_COUNT) == 0);
667 s1n_0 = LOADU(in_even + 0);
668 s1n_1 = LOADU(in_even + VREG_INT_COUNT);
669 d1n_0 = LOADU(in_odd);
670 d1n_1 = LOADU(in_odd + VREG_INT_COUNT);
672 /* s0n = s1n - ((d1n + 1) >> 1); <==> */
673 /* s0n = s1n - ((d1n + d1n + 2) >> 2); */
674 s0n_0 = SUB(s1n_0, SAR(ADD3(d1n_0, d1n_0, two), 2));
675 s0n_1 = SUB(s1n_1, SAR(ADD3(d1n_1, d1n_1, two), 2));
677 for (i = 0, j = 1; i < (len - 3); i += 2, j++) {
683 s1n_0 = LOADU(in_even + j * stride);
684 s1n_1 = LOADU(in_even + j * stride + VREG_INT_COUNT);
685 d1n_0 = LOADU(in_odd + j * stride);
686 d1n_1 = LOADU(in_odd + j * stride + VREG_INT_COUNT);
688 /*s0n = s1n - ((d1c + d1n + 2) >> 2);*/
689 s0n_0 = SUB(s1n_0, SAR(ADD3(d1c_0, d1n_0, two), 2));
690 s0n_1 = SUB(s1n_1, SAR(ADD3(d1c_1, d1n_1, two), 2));
692 STORE(tmp + PARALLEL_COLS_53 * (i + 0), s0c_0);
693 STORE(tmp + PARALLEL_COLS_53 * (i + 0) + VREG_INT_COUNT, s0c_1);
695 /* d1c + ((s0c + s0n) >> 1) */
696 STORE(tmp + PARALLEL_COLS_53 * (i + 1) + 0,
697 ADD(d1c_0, SAR(ADD(s0c_0, s0n_0), 1)));
698 STORE(tmp + PARALLEL_COLS_53 * (i + 1) + VREG_INT_COUNT,
699 ADD(d1c_1, SAR(ADD(s0c_1, s0n_1), 1)));
702 STORE(tmp + PARALLEL_COLS_53 * (i + 0) + 0, s0n_0);
703 STORE(tmp + PARALLEL_COLS_53 * (i + 0) + VREG_INT_COUNT, s0n_1);
706 VREG tmp_len_minus_1;
707 s1n_0 = LOADU(in_even + (size_t)((len - 1) / 2) * stride);
708 /* tmp_len_minus_1 = s1n - ((d1n + 1) >> 1); */
709 tmp_len_minus_1 = SUB(s1n_0, SAR(ADD3(d1n_0, d1n_0, two), 2));
710 STORE(tmp + PARALLEL_COLS_53 * (len - 1), tmp_len_minus_1);
711 /* d1n + ((s0n + tmp_len_minus_1) >> 1) */
712 STORE(tmp + PARALLEL_COLS_53 * (len - 2),
713 ADD(d1n_0, SAR(ADD(s0n_0, tmp_len_minus_1), 1)));
715 s1n_1 = LOADU(in_even + (size_t)((len - 1) / 2) * stride + VREG_INT_COUNT);
716 /* tmp_len_minus_1 = s1n - ((d1n + 1) >> 1); */
717 tmp_len_minus_1 = SUB(s1n_1, SAR(ADD3(d1n_1, d1n_1, two), 2));
718 STORE(tmp + PARALLEL_COLS_53 * (len - 1) + VREG_INT_COUNT,
720 /* d1n + ((s0n + tmp_len_minus_1) >> 1) */
721 STORE(tmp + PARALLEL_COLS_53 * (len - 2) + VREG_INT_COUNT,
722 ADD(d1n_1, SAR(ADD(s0n_1, tmp_len_minus_1), 1)));
726 STORE(tmp + PARALLEL_COLS_53 * (len - 1) + 0,
728 STORE(tmp + PARALLEL_COLS_53 * (len - 1) + VREG_INT_COUNT,
732 opj_idwt53_v_final_memcpy(tiledp_col, tmp, len, stride);
736 /** Vertical inverse 5x3 wavelet transform for 8 columns in SSE2, or
737 * 16 in AVX2, when top-most pixel is on odd coordinate */
738 static void opj_idwt53_v_cas1_mcols_SSE2_OR_AVX2(
742 OPJ_INT32* tiledp_col,
748 VREG s1_0, s2_0, dc_0, dn_0;
749 VREG s1_1, s2_1, dc_1, dn_1;
750 const VREG two = LOAD_CST(2);
752 const OPJ_INT32* in_even = &tiledp_col[(size_t)sn * stride];
753 const OPJ_INT32* in_odd = &tiledp_col[0];
757 assert(PARALLEL_COLS_53 == 16);
758 assert(VREG_INT_COUNT == 8);
760 assert(PARALLEL_COLS_53 == 8);
761 assert(VREG_INT_COUNT == 4);
764 /* Note: loads of input even/odd values must be done in a unaligned */
765 /* fashion. But stores in tmp can be done with aligned store, since */
766 /* the temporary buffer is properly aligned */
767 assert((size_t)tmp % (sizeof(OPJ_INT32) * VREG_INT_COUNT) == 0);
769 s1_0 = LOADU(in_even + stride);
770 /* in_odd[0] - ((in_even[0] + s1 + 2) >> 2); */
771 dc_0 = SUB(LOADU(in_odd + 0),
772 SAR(ADD3(LOADU(in_even + 0), s1_0, two), 2));
773 STORE(tmp + PARALLEL_COLS_53 * 0, ADD(LOADU(in_even + 0), dc_0));
775 s1_1 = LOADU(in_even + stride + VREG_INT_COUNT);
776 /* in_odd[0] - ((in_even[0] + s1 + 2) >> 2); */
777 dc_1 = SUB(LOADU(in_odd + VREG_INT_COUNT),
778 SAR(ADD3(LOADU(in_even + VREG_INT_COUNT), s1_1, two), 2));
779 STORE(tmp + PARALLEL_COLS_53 * 0 + VREG_INT_COUNT,
780 ADD(LOADU(in_even + VREG_INT_COUNT), dc_1));
782 for (i = 1, j = 1; i < (len - 2 - !(len & 1)); i += 2, j++) {
784 s2_0 = LOADU(in_even + (j + 1) * stride);
785 s2_1 = LOADU(in_even + (j + 1) * stride + VREG_INT_COUNT);
787 /* dn = in_odd[j * stride] - ((s1 + s2 + 2) >> 2); */
788 dn_0 = SUB(LOADU(in_odd + j * stride),
789 SAR(ADD3(s1_0, s2_0, two), 2));
790 dn_1 = SUB(LOADU(in_odd + j * stride + VREG_INT_COUNT),
791 SAR(ADD3(s1_1, s2_1, two), 2));
793 STORE(tmp + PARALLEL_COLS_53 * i, dc_0);
794 STORE(tmp + PARALLEL_COLS_53 * i + VREG_INT_COUNT, dc_1);
796 /* tmp[i + 1] = s1 + ((dn + dc) >> 1); */
797 STORE(tmp + PARALLEL_COLS_53 * (i + 1) + 0,
798 ADD(s1_0, SAR(ADD(dn_0, dc_0), 1)));
799 STORE(tmp + PARALLEL_COLS_53 * (i + 1) + VREG_INT_COUNT,
800 ADD(s1_1, SAR(ADD(dn_1, dc_1), 1)));
807 STORE(tmp + PARALLEL_COLS_53 * i, dc_0);
808 STORE(tmp + PARALLEL_COLS_53 * i + VREG_INT_COUNT, dc_1);
811 /*dn = in_odd[(len / 2 - 1) * stride] - ((s1 + 1) >> 1); */
812 dn_0 = SUB(LOADU(in_odd + (size_t)(len / 2 - 1) * stride),
813 SAR(ADD3(s1_0, s1_0, two), 2));
814 dn_1 = SUB(LOADU(in_odd + (size_t)(len / 2 - 1) * stride + VREG_INT_COUNT),
815 SAR(ADD3(s1_1, s1_1, two), 2));
817 /* tmp[len - 2] = s1 + ((dn + dc) >> 1); */
818 STORE(tmp + PARALLEL_COLS_53 * (len - 2) + 0,
819 ADD(s1_0, SAR(ADD(dn_0, dc_0), 1)));
820 STORE(tmp + PARALLEL_COLS_53 * (len - 2) + VREG_INT_COUNT,
821 ADD(s1_1, SAR(ADD(dn_1, dc_1), 1)));
823 STORE(tmp + PARALLEL_COLS_53 * (len - 1) + 0, dn_0);
824 STORE(tmp + PARALLEL_COLS_53 * (len - 1) + VREG_INT_COUNT, dn_1);
826 STORE(tmp + PARALLEL_COLS_53 * (len - 1) + 0, ADD(s1_0, dc_0));
827 STORE(tmp + PARALLEL_COLS_53 * (len - 1) + VREG_INT_COUNT,
831 opj_idwt53_v_final_memcpy(tiledp_col, tmp, len, stride);
845 #endif /* (defined(__SSE2__) || defined(__AVX2__)) && !defined(STANDARD_SLOW_VERSION) */
847 #if !defined(STANDARD_SLOW_VERSION)
848 /** Vertical inverse 5x3 wavelet transform for one column, when top-most
849 * pixel is on even coordinate */
850 static void opj_idwt3_v_cas0(OPJ_INT32* tmp,
853 OPJ_INT32* tiledp_col,
857 OPJ_INT32 d1c, d1n, s1n, s0c, s0n;
861 /* Performs lifting in one single iteration. Saves memory */
862 /* accesses and explicit interleaving. */
865 d1n = tiledp_col[(size_t)sn * stride];
866 s0n = s1n - ((d1n + 1) >> 1);
868 for (i = 0, j = 0; i < (len - 3); i += 2, j++) {
872 s1n = tiledp_col[(size_t)(j + 1) * stride];
873 d1n = tiledp_col[(size_t)(sn + j + 1) * stride];
875 s0n = s1n - ((d1c + d1n + 2) >> 2);
878 tmp[i + 1] = d1c + ((s0c + s0n) >> 1);
885 tiledp_col[(size_t)((len - 1) / 2) * stride] -
887 tmp[len - 2] = d1n + ((s0n + tmp[len - 1]) >> 1);
889 tmp[len - 1] = d1n + s0n;
892 for (i = 0; i < len; ++i) {
893 tiledp_col[(size_t)i * stride] = tmp[i];
898 /** Vertical inverse 5x3 wavelet transform for one column, when top-most
899 * pixel is on odd coordinate */
900 static void opj_idwt3_v_cas1(OPJ_INT32* tmp,
903 OPJ_INT32* tiledp_col,
907 OPJ_INT32 s1, s2, dc, dn;
908 const OPJ_INT32* in_even = &tiledp_col[(size_t)sn * stride];
909 const OPJ_INT32* in_odd = &tiledp_col[0];
913 /* Performs lifting in one single iteration. Saves memory */
914 /* accesses and explicit interleaving. */
916 s1 = in_even[stride];
917 dc = in_odd[0] - ((in_even[0] + s1 + 2) >> 2);
918 tmp[0] = in_even[0] + dc;
919 for (i = 1, j = 1; i < (len - 2 - !(len & 1)); i += 2, j++) {
921 s2 = in_even[(size_t)(j + 1) * stride];
923 dn = in_odd[(size_t)j * stride] - ((s1 + s2 + 2) >> 2);
925 tmp[i + 1] = s1 + ((dn + dc) >> 1);
932 dn = in_odd[(size_t)(len / 2 - 1) * stride] - ((s1 + 1) >> 1);
933 tmp[len - 2] = s1 + ((dn + dc) >> 1);
936 tmp[len - 1] = s1 + dc;
939 for (i = 0; i < len; ++i) {
940 tiledp_col[(size_t)i * stride] = tmp[i];
943 #endif /* !defined(STANDARD_SLOW_VERSION) */
946 /* Inverse vertical 5-3 wavelet transform in 1-D for several columns. */
948 /* Performs interleave, inverse wavelet transform and copy back to buffer */
949 static void opj_idwt53_v(const opj_dwt_t *dwt,
950 OPJ_INT32* tiledp_col,
954 #ifdef STANDARD_SLOW_VERSION
955 /* For documentation purpose */
957 for (c = 0; c < nb_cols; c ++) {
958 opj_dwt_interleave_v(dwt, tiledp_col + c, stride);
959 opj_dwt_decode_1(dwt);
960 for (k = 0; k < dwt->sn + dwt->dn; ++k) {
961 tiledp_col[c + k * stride] = dwt->mem[k];
965 const OPJ_INT32 sn = dwt->sn;
966 const OPJ_INT32 len = sn + dwt->dn;
968 /* If len == 1, unmodified value */
970 #if (defined(__SSE2__) || defined(__AVX2__))
971 if (len > 1 && nb_cols == PARALLEL_COLS_53) {
972 /* Same as below general case, except that thanks to SSE2/AVX2 */
973 /* we can efficently process 8/16 columns in parallel */
974 opj_idwt53_v_cas0_mcols_SSE2_OR_AVX2(dwt->mem, sn, len, tiledp_col, stride);
980 for (c = 0; c < nb_cols; c++, tiledp_col++) {
981 opj_idwt3_v_cas0(dwt->mem, sn, len, tiledp_col, stride);
988 for (c = 0; c < nb_cols; c++, tiledp_col++) {
996 OPJ_INT32* out = dwt->mem;
997 for (c = 0; c < nb_cols; c++, tiledp_col++) {
999 const OPJ_INT32* in_even = &tiledp_col[(size_t)sn * stride];
1000 const OPJ_INT32* in_odd = &tiledp_col[0];
1002 out[1] = in_odd[0] - ((in_even[0] + 1) >> 1);
1003 out[0] = in_even[0] + out[1];
1005 for (i = 0; i < len; ++i) {
1006 tiledp_col[(size_t)i * stride] = out[i];
1013 #if (defined(__SSE2__) || defined(__AVX2__))
1014 if (len > 2 && nb_cols == PARALLEL_COLS_53) {
1015 /* Same as below general case, except that thanks to SSE2/AVX2 */
1016 /* we can efficently process 8/16 columns in parallel */
1017 opj_idwt53_v_cas1_mcols_SSE2_OR_AVX2(dwt->mem, sn, len, tiledp_col, stride);
1023 for (c = 0; c < nb_cols; c++, tiledp_col++) {
1024 opj_idwt3_v_cas1(dwt->mem, sn, len, tiledp_col, stride);
1034 /* Forward 9-7 wavelet transform in 1-D. */
1036 static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
1041 if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
1042 for (i = 0; i < dn; i++) {
1043 OPJ_D(i) -= opj_int_fix_mul(OPJ_S_(i) + OPJ_S_(i + 1), 12993);
1045 for (i = 0; i < sn; i++) {
1046 OPJ_S(i) -= opj_int_fix_mul(OPJ_D_(i - 1) + OPJ_D_(i), 434);
1048 for (i = 0; i < dn; i++) {
1049 OPJ_D(i) += opj_int_fix_mul(OPJ_S_(i) + OPJ_S_(i + 1), 7233);
1051 for (i = 0; i < sn; i++) {
1052 OPJ_S(i) += opj_int_fix_mul(OPJ_D_(i - 1) + OPJ_D_(i), 3633);
1054 for (i = 0; i < dn; i++) {
1055 OPJ_D(i) = opj_int_fix_mul(OPJ_D(i), 5038); /*5038 */
1057 for (i = 0; i < sn; i++) {
1058 OPJ_S(i) = opj_int_fix_mul(OPJ_S(i), 6659); /*6660 */
1062 if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
1063 for (i = 0; i < dn; i++) {
1064 OPJ_S(i) -= opj_int_fix_mul(OPJ_DD_(i) + OPJ_DD_(i - 1), 12993);
1066 for (i = 0; i < sn; i++) {
1067 OPJ_D(i) -= opj_int_fix_mul(OPJ_SS_(i) + OPJ_SS_(i + 1), 434);
1069 for (i = 0; i < dn; i++) {
1070 OPJ_S(i) += opj_int_fix_mul(OPJ_DD_(i) + OPJ_DD_(i - 1), 7233);
1072 for (i = 0; i < sn; i++) {
1073 OPJ_D(i) += opj_int_fix_mul(OPJ_SS_(i) + OPJ_SS_(i + 1), 3633);
1075 for (i = 0; i < dn; i++) {
1076 OPJ_S(i) = opj_int_fix_mul(OPJ_S(i), 5038); /*5038 */
1078 for (i = 0; i < sn; i++) {
1079 OPJ_D(i) = opj_int_fix_mul(OPJ_D(i), 6659); /*6660 */
1085 static void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps,
1086 opj_stepsize_t *bandno_stepsize)
1089 p = opj_int_floorlog2(stepsize) - 13;
1090 n = 11 - opj_int_floorlog2(stepsize);
1091 bandno_stepsize->mant = (n < 0 ? stepsize >> -n : stepsize << n) & 0x7ff;
1092 bandno_stepsize->expn = numbps - p;
1096 ==========================================================
1098 ==========================================================
1103 /* Forward 5-3 wavelet transform in 2-D. */
1105 static INLINE OPJ_BOOL opj_dwt_encode_procedure(opj_tcd_tilecomp_t * tilec,
1106 void (*p_function)(OPJ_INT32 *, OPJ_INT32, OPJ_INT32, OPJ_INT32))
1114 OPJ_INT32 rw; /* width of the resolution level computed */
1115 OPJ_INT32 rh; /* height of the resolution level computed */
1118 opj_tcd_resolution_t * l_cur_res = 0;
1119 opj_tcd_resolution_t * l_last_res = 0;
1121 w = tilec->x1 - tilec->x0;
1122 l = (OPJ_INT32)tilec->numresolutions - 1;
1125 l_cur_res = tilec->resolutions + l;
1126 l_last_res = l_cur_res - 1;
1128 l_data_size = opj_dwt_max_resolution(tilec->resolutions, tilec->numresolutions);
1129 /* overflow check */
1130 if (l_data_size > (SIZE_MAX / sizeof(OPJ_INT32))) {
1131 /* FIXME event manager error callback */
1134 l_data_size *= sizeof(OPJ_INT32);
1135 bj = (OPJ_INT32*)opj_malloc(l_data_size);
1136 /* l_data_size is equal to 0 when numresolutions == 1 but bj is not used */
1137 /* in that case, so do not error out */
1138 if (l_data_size != 0 && ! bj) {
1144 OPJ_INT32 rw1; /* width of the resolution level once lower than computed one */
1145 OPJ_INT32 rh1; /* height of the resolution level once lower than computed one */
1146 OPJ_INT32 cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
1147 OPJ_INT32 cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
1150 rw = l_cur_res->x1 - l_cur_res->x0;
1151 rh = l_cur_res->y1 - l_cur_res->y0;
1152 rw1 = l_last_res->x1 - l_last_res->x0;
1153 rh1 = l_last_res->y1 - l_last_res->y0;
1155 cas_row = l_cur_res->x0 & 1;
1156 cas_col = l_cur_res->y0 & 1;
1160 for (j = 0; j < rw; ++j) {
1162 for (k = 0; k < rh; ++k) {
1166 (*p_function)(bj, dn, sn, cas_col);
1168 opj_dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
1174 for (j = 0; j < rh; j++) {
1176 for (k = 0; k < rw; k++) {
1179 (*p_function)(bj, dn, sn, cas_row);
1180 opj_dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
1183 l_cur_res = l_last_res;
1192 /* Forward 5-3 wavelet transform in 2-D. */
1194 OPJ_BOOL opj_dwt_encode(opj_tcd_tilecomp_t * tilec)
1196 return opj_dwt_encode_procedure(tilec, opj_dwt_encode_1);
1200 /* Inverse 5-3 wavelet transform in 2-D. */
1202 OPJ_BOOL opj_dwt_decode(opj_tcd_t *p_tcd, opj_tcd_tilecomp_t* tilec,
1205 if (p_tcd->whole_tile_decoding) {
1206 return opj_dwt_decode_tile(p_tcd->thread_pool, tilec, numres);
1208 return opj_dwt_decode_partial_tile(tilec, numres);
1214 /* Get gain of 5-3 wavelet transform. */
1216 OPJ_UINT32 opj_dwt_getgain(OPJ_UINT32 orient)
1221 if (orient == 1 || orient == 2) {
1228 /* Get norm of 5-3 wavelet. */
1230 OPJ_FLOAT64 opj_dwt_getnorm(OPJ_UINT32 level, OPJ_UINT32 orient)
1232 return opj_dwt_norms[orient][level];
1236 /* Forward 9-7 wavelet transform in 2-D. */
1238 OPJ_BOOL opj_dwt_encode_real(opj_tcd_tilecomp_t * tilec)
1240 return opj_dwt_encode_procedure(tilec, opj_dwt_encode_1_real);
1244 /* Get gain of 9-7 wavelet transform. */
1246 OPJ_UINT32 opj_dwt_getgain_real(OPJ_UINT32 orient)
1253 /* Get norm of 9-7 wavelet. */
1255 OPJ_FLOAT64 opj_dwt_getnorm_real(OPJ_UINT32 level, OPJ_UINT32 orient)
1257 return opj_dwt_norms_real[orient][level];
1260 void opj_dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, OPJ_UINT32 prec)
1262 OPJ_UINT32 numbands, bandno;
1263 numbands = 3 * tccp->numresolutions - 2;
1264 for (bandno = 0; bandno < numbands; bandno++) {
1265 OPJ_FLOAT64 stepsize;
1266 OPJ_UINT32 resno, level, orient, gain;
1268 resno = (bandno == 0) ? 0 : ((bandno - 1) / 3 + 1);
1269 orient = (bandno == 0) ? 0 : ((bandno - 1) % 3 + 1);
1270 level = tccp->numresolutions - 1 - resno;
1271 gain = (tccp->qmfbid == 0) ? 0 : ((orient == 0) ? 0 : (((orient == 1) ||
1272 (orient == 2)) ? 1 : 2));
1273 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
1276 OPJ_FLOAT64 norm = opj_dwt_norms_real[orient][level];
1277 stepsize = (1 << (gain)) / norm;
1279 opj_dwt_encode_stepsize((OPJ_INT32) floor(stepsize * 8192.0),
1280 (OPJ_INT32)(prec + gain), &tccp->stepsizes[bandno]);
1285 /* Determine maximum computed resolution level for inverse wavelet transform */
1287 static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* OPJ_RESTRICT r,
1294 if (mr < (w = (OPJ_UINT32)(r->x1 - r->x0))) {
1297 if (mr < (w = (OPJ_UINT32)(r->y1 - r->y0))) {
1308 OPJ_INT32 * OPJ_RESTRICT tiledp;
1311 } opj_dwd_decode_h_job_t;
1313 static void opj_dwt_decode_h_func(void* user_data, opj_tls_t* tls)
1316 opj_dwd_decode_h_job_t* job;
1319 job = (opj_dwd_decode_h_job_t*)user_data;
1320 for (j = job->min_j; j < job->max_j; j++) {
1321 opj_idwt53_h(&job->h, &job->tiledp[j * job->w]);
1324 opj_aligned_free(job->h.mem);
1332 OPJ_INT32 * OPJ_RESTRICT tiledp;
1335 } opj_dwd_decode_v_job_t;
1337 static void opj_dwt_decode_v_func(void* user_data, opj_tls_t* tls)
1340 opj_dwd_decode_v_job_t* job;
1343 job = (opj_dwd_decode_v_job_t*)user_data;
1344 for (j = job->min_j; j + PARALLEL_COLS_53 <= job->max_j;
1345 j += PARALLEL_COLS_53) {
1346 opj_idwt53_v(&job->v, &job->tiledp[j], (size_t)job->w,
1350 opj_idwt53_v(&job->v, &job->tiledp[j], (size_t)job->w,
1351 (OPJ_INT32)(job->max_j - j));
1353 opj_aligned_free(job->v.mem);
1359 /* Inverse wavelet transform in 2-D. */
1361 static OPJ_BOOL opj_dwt_decode_tile(opj_thread_pool_t* tp,
1362 opj_tcd_tilecomp_t* tilec, OPJ_UINT32 numres)
1367 opj_tcd_resolution_t* tr = tilec->resolutions;
1369 OPJ_UINT32 rw = (OPJ_UINT32)(tr->x1 -
1370 tr->x0); /* width of the resolution level computed */
1371 OPJ_UINT32 rh = (OPJ_UINT32)(tr->y1 -
1372 tr->y0); /* height of the resolution level computed */
1374 OPJ_UINT32 w = (OPJ_UINT32)(tilec->resolutions[tilec->minimum_num_resolutions -
1376 tilec->resolutions[tilec->minimum_num_resolutions - 1].x0);
1383 num_threads = opj_thread_pool_get_thread_count(tp);
1384 h_mem_size = opj_dwt_max_resolution(tr, numres);
1385 /* overflow check */
1386 if (h_mem_size > (SIZE_MAX / PARALLEL_COLS_53 / sizeof(OPJ_INT32))) {
1387 /* FIXME event manager error callback */
1390 /* We need PARALLEL_COLS_53 times the height of the array, */
1391 /* since for the vertical pass */
1392 /* we process PARALLEL_COLS_53 columns at a time */
1393 h_mem_size *= PARALLEL_COLS_53 * sizeof(OPJ_INT32);
1394 h.mem = (OPJ_INT32*)opj_aligned_32_malloc(h_mem_size);
1396 /* FIXME event manager error callback */
1403 OPJ_INT32 * OPJ_RESTRICT tiledp = tilec->data;
1407 h.sn = (OPJ_INT32)rw;
1408 v.sn = (OPJ_INT32)rh;
1410 rw = (OPJ_UINT32)(tr->x1 - tr->x0);
1411 rh = (OPJ_UINT32)(tr->y1 - tr->y0);
1413 h.dn = (OPJ_INT32)(rw - (OPJ_UINT32)h.sn);
1416 if (num_threads <= 1 || rh <= 1) {
1417 for (j = 0; j < rh; ++j) {
1418 opj_idwt53_h(&h, &tiledp[(size_t)j * w]);
1421 OPJ_UINT32 num_jobs = (OPJ_UINT32)num_threads;
1424 if (rh < num_jobs) {
1427 step_j = (rh / num_jobs);
1429 for (j = 0; j < num_jobs; j++) {
1430 opj_dwd_decode_h_job_t* job;
1432 job = (opj_dwd_decode_h_job_t*) opj_malloc(sizeof(opj_dwd_decode_h_job_t));
1434 /* It would be nice to fallback to single thread case, but */
1435 /* unfortunately some jobs may be launched and have modified */
1436 /* tiledp, so it is not practical to recover from that error */
1437 /* FIXME event manager error callback */
1438 opj_thread_pool_wait_completion(tp, 0);
1439 opj_aligned_free(h.mem);
1445 job->tiledp = tiledp;
1446 job->min_j = j * step_j;
1447 job->max_j = (j + 1U) * step_j; /* this can overflow */
1448 if (j == (num_jobs - 1U)) { /* this will take care of the overflow */
1451 job->h.mem = (OPJ_INT32*)opj_aligned_32_malloc(h_mem_size);
1453 /* FIXME event manager error callback */
1454 opj_thread_pool_wait_completion(tp, 0);
1456 opj_aligned_free(h.mem);
1459 opj_thread_pool_submit_job(tp, opj_dwt_decode_h_func, job);
1461 opj_thread_pool_wait_completion(tp, 0);
1464 v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
1467 if (num_threads <= 1 || rw <= 1) {
1468 for (j = 0; j + PARALLEL_COLS_53 <= rw;
1469 j += PARALLEL_COLS_53) {
1470 opj_idwt53_v(&v, &tiledp[j], (size_t)w, PARALLEL_COLS_53);
1473 opj_idwt53_v(&v, &tiledp[j], (size_t)w, (OPJ_INT32)(rw - j));
1476 OPJ_UINT32 num_jobs = (OPJ_UINT32)num_threads;
1479 if (rw < num_jobs) {
1482 step_j = (rw / num_jobs);
1484 for (j = 0; j < num_jobs; j++) {
1485 opj_dwd_decode_v_job_t* job;
1487 job = (opj_dwd_decode_v_job_t*) opj_malloc(sizeof(opj_dwd_decode_v_job_t));
1489 /* It would be nice to fallback to single thread case, but */
1490 /* unfortunately some jobs may be launched and have modified */
1491 /* tiledp, so it is not practical to recover from that error */
1492 /* FIXME event manager error callback */
1493 opj_thread_pool_wait_completion(tp, 0);
1494 opj_aligned_free(v.mem);
1500 job->tiledp = tiledp;
1501 job->min_j = j * step_j;
1502 job->max_j = (j + 1U) * step_j; /* this can overflow */
1503 if (j == (num_jobs - 1U)) { /* this will take care of the overflow */
1506 job->v.mem = (OPJ_INT32*)opj_aligned_32_malloc(h_mem_size);
1508 /* FIXME event manager error callback */
1509 opj_thread_pool_wait_completion(tp, 0);
1511 opj_aligned_free(v.mem);
1514 opj_thread_pool_submit_job(tp, opj_dwt_decode_v_func, job);
1516 opj_thread_pool_wait_completion(tp, 0);
1519 opj_aligned_free(h.mem);
1523 static void opj_dwt_interleave_partial_h(OPJ_INT32 *dest,
1525 opj_sparse_array_int32_t* sa,
1528 OPJ_UINT32 win_l_x0,
1529 OPJ_UINT32 win_l_x1,
1530 OPJ_UINT32 win_h_x0,
1531 OPJ_UINT32 win_h_x1)
1534 ret = opj_sparse_array_int32_read(sa,
1536 win_l_x1, sa_line + 1,
1537 dest + cas + 2 * win_l_x0,
1540 ret = opj_sparse_array_int32_read(sa,
1541 sn + win_h_x0, sa_line,
1542 sn + win_h_x1, sa_line + 1,
1543 dest + 1 - cas + 2 * win_h_x0,
1550 static void opj_dwt_interleave_partial_v(OPJ_INT32 *dest,
1552 opj_sparse_array_int32_t* sa,
1556 OPJ_UINT32 win_l_y0,
1557 OPJ_UINT32 win_l_y1,
1558 OPJ_UINT32 win_h_y0,
1559 OPJ_UINT32 win_h_y1)
1562 ret = opj_sparse_array_int32_read(sa,
1564 sa_col + nb_cols, win_l_y1,
1565 dest + cas * 4 + 2 * 4 * win_l_y0,
1566 1, 2 * 4, OPJ_TRUE);
1568 ret = opj_sparse_array_int32_read(sa,
1569 sa_col, sn + win_h_y0,
1570 sa_col + nb_cols, sn + win_h_y1,
1571 dest + (1 - cas) * 4 + 2 * 4 * win_h_y0,
1572 1, 2 * 4, OPJ_TRUE);
1577 static void opj_dwt_decode_partial_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
1587 if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
1589 /* Naive version is :
1590 for (i = win_l_x0; i < i_max; i++) {
1591 OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
1593 for (i = win_h_x0; i < win_h_x1; i++) {
1594 OPJ_D(i) += (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
1596 but the compiler doesn't manage to unroll it to avoid bound
1597 checking in OPJ_S_ and OPJ_D_ macros
1604 /* Left-most case */
1605 OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
1612 for (; i < i_max; i++) {
1613 /* No bound checking */
1614 OPJ_S(i) -= (OPJ_D(i - 1) + OPJ_D(i) + 2) >> 2;
1616 for (; i < win_l_x1; i++) {
1617 /* Right-most case */
1618 OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
1624 OPJ_INT32 i_max = win_h_x1;
1628 for (; i < i_max; i++) {
1629 /* No bound checking */
1630 OPJ_D(i) += (OPJ_S(i) + OPJ_S(i + 1)) >> 1;
1632 for (; i < win_h_x1; i++) {
1633 /* Right-most case */
1634 OPJ_D(i) += (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
1639 if (!sn && dn == 1) { /* NEW : CASE ONE ELEMENT */
1642 for (i = win_l_x0; i < win_l_x1; i++) {
1643 OPJ_D(i) -= (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2;
1645 for (i = win_h_x0; i < win_h_x1; i++) {
1646 OPJ_S(i) += (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1;
1652 #define OPJ_S_off(i,off) a[(OPJ_UINT32)(i)*2*4+off]
1653 #define OPJ_D_off(i,off) a[(1+(OPJ_UINT32)(i)*2)*4+off]
1654 #define OPJ_S__off(i,off) ((i)<0?OPJ_S_off(0,off):((i)>=sn?OPJ_S_off(sn-1,off):OPJ_S_off(i,off)))
1655 #define OPJ_D__off(i,off) ((i)<0?OPJ_D_off(0,off):((i)>=dn?OPJ_D_off(dn-1,off):OPJ_D_off(i,off)))
1656 #define OPJ_SS__off(i,off) ((i)<0?OPJ_S_off(0,off):((i)>=dn?OPJ_S_off(dn-1,off):OPJ_S_off(i,off)))
1657 #define OPJ_DD__off(i,off) ((i)<0?OPJ_D_off(0,off):((i)>=sn?OPJ_D_off(sn-1,off):OPJ_D_off(i,off)))
1659 static void opj_dwt_decode_partial_1_parallel(OPJ_INT32 *a,
1661 OPJ_INT32 dn, OPJ_INT32 sn,
1674 if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
1676 /* Naive version is :
1677 for (i = win_l_x0; i < i_max; i++) {
1678 OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
1680 for (i = win_h_x0; i < win_h_x1; i++) {
1681 OPJ_D(i) += (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
1683 but the compiler doesn't manage to unroll it to avoid bound
1684 checking in OPJ_S_ and OPJ_D_ macros
1691 /* Left-most case */
1692 for (off = 0; off < 4; off++) {
1693 OPJ_S_off(i, off) -= (OPJ_D__off(i - 1, off) + OPJ_D__off(i, off) + 2) >> 2;
1703 if (i + 1 < i_max) {
1704 const __m128i two = _mm_set1_epi32(2);
1705 __m128i Dm1 = _mm_load_si128((__m128i * const)(a + 4 + (i - 1) * 8));
1706 for (; i + 1 < i_max; i += 2) {
1707 /* No bound checking */
1708 __m128i S = _mm_load_si128((__m128i * const)(a + i * 8));
1709 __m128i D = _mm_load_si128((__m128i * const)(a + 4 + i * 8));
1710 __m128i S1 = _mm_load_si128((__m128i * const)(a + (i + 1) * 8));
1711 __m128i D1 = _mm_load_si128((__m128i * const)(a + 4 + (i + 1) * 8));
1712 S = _mm_sub_epi32(S,
1713 _mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(Dm1, D), two), 2));
1714 S1 = _mm_sub_epi32(S1,
1715 _mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(D, D1), two), 2));
1716 _mm_store_si128((__m128i*)(a + i * 8), S);
1717 _mm_store_si128((__m128i*)(a + (i + 1) * 8), S1);
1723 for (; i < i_max; i++) {
1724 /* No bound checking */
1725 for (off = 0; off < 4; off++) {
1726 OPJ_S_off(i, off) -= (OPJ_D_off(i - 1, off) + OPJ_D_off(i, off) + 2) >> 2;
1729 for (; i < win_l_x1; i++) {
1730 /* Right-most case */
1731 for (off = 0; off < 4; off++) {
1732 OPJ_S_off(i, off) -= (OPJ_D__off(i - 1, off) + OPJ_D__off(i, off) + 2) >> 2;
1739 OPJ_INT32 i_max = win_h_x1;
1745 if (i + 1 < i_max) {
1746 __m128i S = _mm_load_si128((__m128i * const)(a + i * 8));
1747 for (; i + 1 < i_max; i += 2) {
1748 /* No bound checking */
1749 __m128i D = _mm_load_si128((__m128i * const)(a + 4 + i * 8));
1750 __m128i S1 = _mm_load_si128((__m128i * const)(a + (i + 1) * 8));
1751 __m128i D1 = _mm_load_si128((__m128i * const)(a + 4 + (i + 1) * 8));
1752 __m128i S2 = _mm_load_si128((__m128i * const)(a + (i + 2) * 8));
1753 D = _mm_add_epi32(D, _mm_srai_epi32(_mm_add_epi32(S, S1), 1));
1754 D1 = _mm_add_epi32(D1, _mm_srai_epi32(_mm_add_epi32(S1, S2), 1));
1755 _mm_store_si128((__m128i*)(a + 4 + i * 8), D);
1756 _mm_store_si128((__m128i*)(a + 4 + (i + 1) * 8), D1);
1762 for (; i < i_max; i++) {
1763 /* No bound checking */
1764 for (off = 0; off < 4; off++) {
1765 OPJ_D_off(i, off) += (OPJ_S_off(i, off) + OPJ_S_off(i + 1, off)) >> 1;
1768 for (; i < win_h_x1; i++) {
1769 /* Right-most case */
1770 for (off = 0; off < 4; off++) {
1771 OPJ_D_off(i, off) += (OPJ_S__off(i, off) + OPJ_S__off(i + 1, off)) >> 1;
1777 if (!sn && dn == 1) { /* NEW : CASE ONE ELEMENT */
1778 for (off = 0; off < 4; off++) {
1779 OPJ_S_off(0, off) /= 2;
1782 for (i = win_l_x0; i < win_l_x1; i++) {
1783 for (off = 0; off < 4; off++) {
1784 OPJ_D_off(i, off) -= (OPJ_SS__off(i, off) + OPJ_SS__off(i + 1, off) + 2) >> 2;
1787 for (i = win_h_x0; i < win_h_x1; i++) {
1788 for (off = 0; off < 4; off++) {
1789 OPJ_S_off(i, off) += (OPJ_DD__off(i, off) + OPJ_DD__off(i - 1, off)) >> 1;
1796 static void opj_dwt_get_band_coordinates(opj_tcd_tilecomp_t* tilec,
1808 /* Compute number of decomposition for this band. See table F-1 */
1809 OPJ_UINT32 nb = (resno == 0) ?
1810 tilec->numresolutions - 1 :
1811 tilec->numresolutions - resno;
1812 /* Map above tile-based coordinates to sub-band-based coordinates per */
1813 /* equation B-15 of the standard */
1814 OPJ_UINT32 x0b = bandno & 1;
1815 OPJ_UINT32 y0b = bandno >> 1;
1817 *tbx0 = (nb == 0) ? tcx0 :
1818 (tcx0 <= (1U << (nb - 1)) * x0b) ? 0 :
1819 opj_uint_ceildivpow2(tcx0 - (1U << (nb - 1)) * x0b, nb);
1822 *tby0 = (nb == 0) ? tcy0 :
1823 (tcy0 <= (1U << (nb - 1)) * y0b) ? 0 :
1824 opj_uint_ceildivpow2(tcy0 - (1U << (nb - 1)) * y0b, nb);
1827 *tbx1 = (nb == 0) ? tcx1 :
1828 (tcx1 <= (1U << (nb - 1)) * x0b) ? 0 :
1829 opj_uint_ceildivpow2(tcx1 - (1U << (nb - 1)) * x0b, nb);
1832 *tby1 = (nb == 0) ? tcy1 :
1833 (tcy1 <= (1U << (nb - 1)) * y0b) ? 0 :
1834 opj_uint_ceildivpow2(tcy1 - (1U << (nb - 1)) * y0b, nb);
1838 static void opj_dwt_segment_grow(OPJ_UINT32 filter_width,
1839 OPJ_UINT32 max_size,
1843 *start = opj_uint_subs(*start, filter_width);
1844 *end = opj_uint_adds(*end, filter_width);
1845 *end = opj_uint_min(*end, max_size);
1849 static opj_sparse_array_int32_t* opj_dwt_init_sparse_array(
1850 opj_tcd_tilecomp_t* tilec,
1853 opj_tcd_resolution_t* tr_max = &(tilec->resolutions[numres - 1]);
1854 OPJ_UINT32 w = (OPJ_UINT32)(tr_max->x1 - tr_max->x0);
1855 OPJ_UINT32 h = (OPJ_UINT32)(tr_max->y1 - tr_max->y0);
1856 OPJ_UINT32 resno, bandno, precno, cblkno;
1857 opj_sparse_array_int32_t* sa = opj_sparse_array_int32_create(
1858 w, h, opj_uint_min(w, 64), opj_uint_min(h, 64));
1863 for (resno = 0; resno < numres; ++resno) {
1864 opj_tcd_resolution_t* res = &tilec->resolutions[resno];
1866 for (bandno = 0; bandno < res->numbands; ++bandno) {
1867 opj_tcd_band_t* band = &res->bands[bandno];
1869 for (precno = 0; precno < res->pw * res->ph; ++precno) {
1870 opj_tcd_precinct_t* precinct = &band->precincts[precno];
1871 for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) {
1872 opj_tcd_cblk_dec_t* cblk = &precinct->cblks.dec[cblkno];
1873 if (cblk->decoded_data != NULL) {
1874 OPJ_UINT32 x = (OPJ_UINT32)(cblk->x0 - band->x0);
1875 OPJ_UINT32 y = (OPJ_UINT32)(cblk->y0 - band->y0);
1876 OPJ_UINT32 cblk_w = (OPJ_UINT32)(cblk->x1 - cblk->x0);
1877 OPJ_UINT32 cblk_h = (OPJ_UINT32)(cblk->y1 - cblk->y0);
1879 if (band->bandno & 1) {
1880 opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
1881 x += (OPJ_UINT32)(pres->x1 - pres->x0);
1883 if (band->bandno & 2) {
1884 opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
1885 y += (OPJ_UINT32)(pres->y1 - pres->y0);
1888 if (!opj_sparse_array_int32_write(sa, x, y,
1889 x + cblk_w, y + cblk_h,
1891 1, cblk_w, OPJ_TRUE)) {
1892 opj_sparse_array_int32_free(sa);
1905 static OPJ_BOOL opj_dwt_decode_partial_tile(
1906 opj_tcd_tilecomp_t* tilec,
1909 opj_sparse_array_int32_t* sa;
1913 /* This value matches the maximum left/right extension given in tables */
1914 /* F.2 and F.3 of the standard. */
1915 const OPJ_UINT32 filter_width = 2U;
1917 opj_tcd_resolution_t* tr = tilec->resolutions;
1918 opj_tcd_resolution_t* tr_max = &(tilec->resolutions[numres - 1]);
1920 OPJ_UINT32 rw = (OPJ_UINT32)(tr->x1 -
1921 tr->x0); /* width of the resolution level computed */
1922 OPJ_UINT32 rh = (OPJ_UINT32)(tr->y1 -
1923 tr->y0); /* height of the resolution level computed */
1927 /* Compute the intersection of the area of interest, expressed in tile coordinates */
1928 /* with the tile coordinates */
1929 OPJ_UINT32 win_tcx0 = tilec->win_x0;
1930 OPJ_UINT32 win_tcy0 = tilec->win_y0;
1931 OPJ_UINT32 win_tcx1 = tilec->win_x1;
1932 OPJ_UINT32 win_tcy1 = tilec->win_y1;
1934 sa = opj_dwt_init_sparse_array(tilec, numres);
1937 OPJ_BOOL ret = opj_sparse_array_int32_read(sa,
1938 tr_max->win_x0 - (OPJ_UINT32)tr_max->x0,
1939 tr_max->win_y0 - (OPJ_UINT32)tr_max->y0,
1940 tr_max->win_x1 - (OPJ_UINT32)tr_max->x0,
1941 tr_max->win_y1 - (OPJ_UINT32)tr_max->y0,
1943 1, tr_max->win_x1 - tr_max->win_x0,
1947 opj_sparse_array_int32_free(sa);
1950 h_mem_size = opj_dwt_max_resolution(tr, numres);
1951 /* overflow check */
1952 /* in vertical pass, we process 4 columns at a time */
1953 if (h_mem_size > (SIZE_MAX / (4 * sizeof(OPJ_INT32)))) {
1954 /* FIXME event manager error callback */
1955 opj_sparse_array_int32_free(sa);
1959 h_mem_size *= 4 * sizeof(OPJ_INT32);
1960 h.mem = (OPJ_INT32*)opj_aligned_32_malloc(h_mem_size);
1962 /* FIXME event manager error callback */
1963 opj_sparse_array_int32_free(sa);
1969 for (resno = 1; resno < numres; resno ++) {
1971 /* Window of interest subband-based coordinates */
1972 OPJ_UINT32 win_ll_x0, win_ll_y0, win_ll_x1, win_ll_y1;
1973 OPJ_UINT32 win_hl_x0, win_hl_x1;
1974 OPJ_UINT32 win_lh_y0, win_lh_y1;
1975 /* Window of interest tile-resolution-based coordinates */
1976 OPJ_UINT32 win_tr_x0, win_tr_x1, win_tr_y0, win_tr_y1;
1977 /* Tile-resolution subband-based coordinates */
1978 OPJ_UINT32 tr_ll_x0, tr_ll_y0, tr_hl_x0, tr_lh_y0;
1982 h.sn = (OPJ_INT32)rw;
1983 v.sn = (OPJ_INT32)rh;
1985 rw = (OPJ_UINT32)(tr->x1 - tr->x0);
1986 rh = (OPJ_UINT32)(tr->y1 - tr->y0);
1988 h.dn = (OPJ_INT32)(rw - (OPJ_UINT32)h.sn);
1991 v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
1994 /* Get the subband coordinates for the window of interest */
1996 opj_dwt_get_band_coordinates(tilec, resno, 0,
1997 win_tcx0, win_tcy0, win_tcx1, win_tcy1,
1998 &win_ll_x0, &win_ll_y0,
1999 &win_ll_x1, &win_ll_y1);
2002 opj_dwt_get_band_coordinates(tilec, resno, 1,
2003 win_tcx0, win_tcy0, win_tcx1, win_tcy1,
2004 &win_hl_x0, NULL, &win_hl_x1, NULL);
2007 opj_dwt_get_band_coordinates(tilec, resno, 2,
2008 win_tcx0, win_tcy0, win_tcx1, win_tcy1,
2009 NULL, &win_lh_y0, NULL, &win_lh_y1);
2011 /* Beware: band index for non-LL0 resolution are 0=HL, 1=LH and 2=HH */
2012 tr_ll_x0 = (OPJ_UINT32)tr->bands[1].x0;
2013 tr_ll_y0 = (OPJ_UINT32)tr->bands[0].y0;
2014 tr_hl_x0 = (OPJ_UINT32)tr->bands[0].x0;
2015 tr_lh_y0 = (OPJ_UINT32)tr->bands[1].y0;
2017 /* Substract the origin of the bands for this tile, to the subwindow */
2018 /* of interest band coordinates, so as to get them relative to the */
2020 win_ll_x0 = opj_uint_subs(win_ll_x0, tr_ll_x0);
2021 win_ll_y0 = opj_uint_subs(win_ll_y0, tr_ll_y0);
2022 win_ll_x1 = opj_uint_subs(win_ll_x1, tr_ll_x0);
2023 win_ll_y1 = opj_uint_subs(win_ll_y1, tr_ll_y0);
2024 win_hl_x0 = opj_uint_subs(win_hl_x0, tr_hl_x0);
2025 win_hl_x1 = opj_uint_subs(win_hl_x1, tr_hl_x0);
2026 win_lh_y0 = opj_uint_subs(win_lh_y0, tr_lh_y0);
2027 win_lh_y1 = opj_uint_subs(win_lh_y1, tr_lh_y0);
2029 opj_dwt_segment_grow(filter_width, (OPJ_UINT32)h.sn, &win_ll_x0, &win_ll_x1);
2030 opj_dwt_segment_grow(filter_width, (OPJ_UINT32)h.dn, &win_hl_x0, &win_hl_x1);
2032 opj_dwt_segment_grow(filter_width, (OPJ_UINT32)v.sn, &win_ll_y0, &win_ll_y1);
2033 opj_dwt_segment_grow(filter_width, (OPJ_UINT32)v.dn, &win_lh_y0, &win_lh_y1);
2035 /* Compute the tile-resolution-based coordinates for the window of interest */
2037 win_tr_x0 = opj_uint_min(2 * win_ll_x0, 2 * win_hl_x0 + 1);
2038 win_tr_x1 = opj_uint_min(opj_uint_max(2 * win_ll_x1, 2 * win_hl_x1 + 1), rw);
2040 win_tr_x0 = opj_uint_min(2 * win_hl_x0, 2 * win_ll_x0 + 1);
2041 win_tr_x1 = opj_uint_min(opj_uint_max(2 * win_hl_x1, 2 * win_ll_x1 + 1), rw);
2045 win_tr_y0 = opj_uint_min(2 * win_ll_y0, 2 * win_lh_y0 + 1);
2046 win_tr_y1 = opj_uint_min(opj_uint_max(2 * win_ll_y1, 2 * win_lh_y1 + 1), rh);
2048 win_tr_y0 = opj_uint_min(2 * win_lh_y0, 2 * win_ll_y0 + 1);
2049 win_tr_y1 = opj_uint_min(opj_uint_max(2 * win_lh_y1, 2 * win_ll_y1 + 1), rh);
2052 for (j = 0; j < rh; ++j) {
2053 if ((j >= win_ll_y0 && j < win_ll_y1) ||
2054 (j >= win_lh_y0 + (OPJ_UINT32)v.sn && j < win_lh_y1 + (OPJ_UINT32)v.sn)) {
2056 /* Avoids dwt.c:1584:44 (in opj_dwt_decode_partial_1): runtime error: */
2057 /* signed integer overflow: -1094795586 + -1094795586 cannot be represented in type 'int' */
2058 /* on opj_decompress -i ../../openjpeg/MAPA.jp2 -o out.tif -d 0,0,256,256 */
2059 /* This is less extreme than memsetting the whole buffer to 0 */
2060 /* although we could potentially do better with better handling of edge conditions */
2061 if (win_tr_x1 >= 1 && win_tr_x1 < rw) {
2062 h.mem[win_tr_x1 - 1] = 0;
2064 if (win_tr_x1 < rw) {
2065 h.mem[win_tr_x1] = 0;
2068 opj_dwt_interleave_partial_h(h.mem,
2077 opj_dwt_decode_partial_1(h.mem, h.dn, h.sn, h.cas,
2078 (OPJ_INT32)win_ll_x0,
2079 (OPJ_INT32)win_ll_x1,
2080 (OPJ_INT32)win_hl_x0,
2081 (OPJ_INT32)win_hl_x1);
2082 if (!opj_sparse_array_int32_write(sa,
2087 /* FIXME event manager error callback */
2088 opj_sparse_array_int32_free(sa);
2089 opj_aligned_free(h.mem);
2095 for (i = win_tr_x0; i < win_tr_x1;) {
2096 OPJ_UINT32 nb_cols = opj_uint_min(4U, win_tr_x1 - i);
2097 opj_dwt_interleave_partial_v(v.mem,
2107 opj_dwt_decode_partial_1_parallel(v.mem, nb_cols, v.dn, v.sn, v.cas,
2108 (OPJ_INT32)win_ll_y0,
2109 (OPJ_INT32)win_ll_y1,
2110 (OPJ_INT32)win_lh_y0,
2111 (OPJ_INT32)win_lh_y1);
2112 if (!opj_sparse_array_int32_write(sa,
2114 i + nb_cols, win_tr_y1,
2115 v.mem + 4 * win_tr_y0,
2117 /* FIXME event manager error callback */
2118 opj_sparse_array_int32_free(sa);
2119 opj_aligned_free(h.mem);
2126 opj_aligned_free(h.mem);
2129 OPJ_BOOL ret = opj_sparse_array_int32_read(sa,
2130 tr_max->win_x0 - (OPJ_UINT32)tr_max->x0,
2131 tr_max->win_y0 - (OPJ_UINT32)tr_max->y0,
2132 tr_max->win_x1 - (OPJ_UINT32)tr_max->x0,
2133 tr_max->win_y1 - (OPJ_UINT32)tr_max->y0,
2135 1, tr_max->win_x1 - tr_max->win_x0,
2140 opj_sparse_array_int32_free(sa);
2144 static void opj_v4dwt_interleave_h(opj_v4dwt_t* OPJ_RESTRICT dwt,
2145 OPJ_FLOAT32* OPJ_RESTRICT a,
2147 OPJ_UINT32 remaining_height)
2149 OPJ_FLOAT32* OPJ_RESTRICT bi = (OPJ_FLOAT32*)(dwt->wavelet + dwt->cas);
2151 OPJ_UINT32 x0 = dwt->win_l_x0;
2152 OPJ_UINT32 x1 = dwt->win_l_x1;
2154 for (k = 0; k < 2; ++k) {
2155 if (remaining_height >= 4 && ((size_t) a & 0x0f) == 0 &&
2156 ((size_t) bi & 0x0f) == 0 && (width & 0x0f) == 0) {
2157 /* Fast code path */
2158 for (i = x0; i < x1; ++i) {
2162 bi[i * 8 + 1] = a[j];
2164 bi[i * 8 + 2] = a[j];
2166 bi[i * 8 + 3] = a[j];
2169 /* Slow code path */
2170 for (i = x0; i < x1; ++i) {
2174 if (remaining_height == 1) {
2177 bi[i * 8 + 1] = a[j];
2179 if (remaining_height == 2) {
2182 bi[i * 8 + 2] = a[j];
2184 if (remaining_height == 3) {
2187 bi[i * 8 + 3] = a[j]; /* This one*/
2191 bi = (OPJ_FLOAT32*)(dwt->wavelet + 1 - dwt->cas);
2198 static void opj_v4dwt_interleave_partial_h(opj_v4dwt_t* dwt,
2199 opj_sparse_array_int32_t* sa,
2201 OPJ_UINT32 remaining_height)
2204 for (i = 0; i < remaining_height; i++) {
2206 ret = opj_sparse_array_int32_read(sa,
2207 dwt->win_l_x0, sa_line + i,
2208 dwt->win_l_x1, sa_line + i + 1,
2209 /* Nasty cast from float* to int32* */
2210 (OPJ_INT32*)(dwt->wavelet + dwt->cas + 2 * dwt->win_l_x0) + i,
2213 ret = opj_sparse_array_int32_read(sa,
2214 (OPJ_UINT32)dwt->sn + dwt->win_h_x0, sa_line + i,
2215 (OPJ_UINT32)dwt->sn + dwt->win_h_x1, sa_line + i + 1,
2216 /* Nasty cast from float* to int32* */
2217 (OPJ_INT32*)(dwt->wavelet + 1 - dwt->cas + 2 * dwt->win_h_x0) + i,
2224 static void opj_v4dwt_interleave_v(opj_v4dwt_t* OPJ_RESTRICT dwt,
2225 OPJ_FLOAT32* OPJ_RESTRICT a,
2227 OPJ_UINT32 nb_elts_read)
2229 opj_v4_t* OPJ_RESTRICT bi = dwt->wavelet + dwt->cas;
2232 for (i = dwt->win_l_x0; i < dwt->win_l_x1; ++i) {
2233 memcpy(&bi[i * 2], &a[i * (size_t)width],
2234 (size_t)nb_elts_read * sizeof(OPJ_FLOAT32));
2237 a += (OPJ_UINT32)dwt->sn * (size_t)width;
2238 bi = dwt->wavelet + 1 - dwt->cas;
2240 for (i = dwt->win_h_x0; i < dwt->win_h_x1; ++i) {
2241 memcpy(&bi[i * 2], &a[i * (size_t)width],
2242 (size_t)nb_elts_read * sizeof(OPJ_FLOAT32));
2246 static void opj_v4dwt_interleave_partial_v(opj_v4dwt_t* OPJ_RESTRICT dwt,
2247 opj_sparse_array_int32_t* sa,
2249 OPJ_UINT32 nb_elts_read)
2252 ret = opj_sparse_array_int32_read(sa,
2253 sa_col, dwt->win_l_x0,
2254 sa_col + nb_elts_read, dwt->win_l_x1,
2255 (OPJ_INT32*)(dwt->wavelet + dwt->cas + 2 * dwt->win_l_x0),
2258 ret = opj_sparse_array_int32_read(sa,
2259 sa_col, (OPJ_UINT32)dwt->sn + dwt->win_h_x0,
2260 sa_col + nb_elts_read, (OPJ_UINT32)dwt->sn + dwt->win_h_x1,
2261 (OPJ_INT32*)(dwt->wavelet + 1 - dwt->cas + 2 * dwt->win_h_x0),
2269 static void opj_v4dwt_decode_step1_sse(opj_v4_t* w,
2274 __m128* OPJ_RESTRICT vw = (__m128*) w;
2276 /* 4x unrolled loop */
2278 for (i = start; i + 3 < end; i += 4, vw += 8) {
2279 __m128 xmm0 = _mm_mul_ps(vw[0], c);
2280 __m128 xmm2 = _mm_mul_ps(vw[2], c);
2281 __m128 xmm4 = _mm_mul_ps(vw[4], c);
2282 __m128 xmm6 = _mm_mul_ps(vw[6], c);
2288 for (; i < end; ++i, vw += 2) {
2289 vw[0] = _mm_mul_ps(vw[0], c);
2293 static void opj_v4dwt_decode_step2_sse(opj_v4_t* l, opj_v4_t* w,
2299 __m128* OPJ_RESTRICT vl = (__m128*) l;
2300 __m128* OPJ_RESTRICT vw = (__m128*) w;
2302 OPJ_UINT32 imax = opj_uint_min(end, m);
2303 __m128 tmp1, tmp2, tmp3;
2313 /* 4x loop unrolling */
2314 for (; i + 3 < imax; i += 4) {
2315 __m128 tmp4, tmp5, tmp6, tmp7, tmp8, tmp9;
2324 vw[-1] = _mm_add_ps(tmp2, _mm_mul_ps(_mm_add_ps(tmp1, tmp3), c));
2325 vw[ 1] = _mm_add_ps(tmp4, _mm_mul_ps(_mm_add_ps(tmp3, tmp5), c));
2326 vw[ 3] = _mm_add_ps(tmp6, _mm_mul_ps(_mm_add_ps(tmp5, tmp7), c));
2327 vw[ 5] = _mm_add_ps(tmp8, _mm_mul_ps(_mm_add_ps(tmp7, tmp9), c));
2332 for (; i < imax; ++i) {
2335 vw[-1] = _mm_add_ps(tmp2, _mm_mul_ps(_mm_add_ps(tmp1, tmp3), c));
2340 assert(m + 1 == end);
2341 c = _mm_add_ps(c, c);
2342 c = _mm_mul_ps(c, vw[-2]);
2343 vw[-1] = _mm_add_ps(vw[-1], c);
2349 static void opj_v4dwt_decode_step1(opj_v4_t* w,
2352 const OPJ_FLOAT32 c)
2354 OPJ_FLOAT32* OPJ_RESTRICT fw = (OPJ_FLOAT32*) w;
2356 for (i = start; i < end; ++i) {
2357 OPJ_FLOAT32 tmp1 = fw[i * 8 ];
2358 OPJ_FLOAT32 tmp2 = fw[i * 8 + 1];
2359 OPJ_FLOAT32 tmp3 = fw[i * 8 + 2];
2360 OPJ_FLOAT32 tmp4 = fw[i * 8 + 3];
2361 fw[i * 8 ] = tmp1 * c;
2362 fw[i * 8 + 1] = tmp2 * c;
2363 fw[i * 8 + 2] = tmp3 * c;
2364 fw[i * 8 + 3] = tmp4 * c;
2368 static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w,
2374 OPJ_FLOAT32* fl = (OPJ_FLOAT32*) l;
2375 OPJ_FLOAT32* fw = (OPJ_FLOAT32*) w;
2377 OPJ_UINT32 imax = opj_uint_min(end, m);
2382 for (i = start; i < imax; ++i) {
2383 OPJ_FLOAT32 tmp1_1 = fl[0];
2384 OPJ_FLOAT32 tmp1_2 = fl[1];
2385 OPJ_FLOAT32 tmp1_3 = fl[2];
2386 OPJ_FLOAT32 tmp1_4 = fl[3];
2387 OPJ_FLOAT32 tmp2_1 = fw[-4];
2388 OPJ_FLOAT32 tmp2_2 = fw[-3];
2389 OPJ_FLOAT32 tmp2_3 = fw[-2];
2390 OPJ_FLOAT32 tmp2_4 = fw[-1];
2391 OPJ_FLOAT32 tmp3_1 = fw[0];
2392 OPJ_FLOAT32 tmp3_2 = fw[1];
2393 OPJ_FLOAT32 tmp3_3 = fw[2];
2394 OPJ_FLOAT32 tmp3_4 = fw[3];
2395 fw[-4] = tmp2_1 + ((tmp1_1 + tmp3_1) * c);
2396 fw[-3] = tmp2_2 + ((tmp1_2 + tmp3_2) * c);
2397 fw[-2] = tmp2_3 + ((tmp1_3 + tmp3_3) * c);
2398 fw[-1] = tmp2_4 + ((tmp1_4 + tmp3_4) * c);
2403 assert(m + 1 == end);
2405 fw[-4] = fw[-4] + fl[0] * c;
2406 fw[-3] = fw[-3] + fl[1] * c;
2407 fw[-2] = fw[-2] + fl[2] * c;
2408 fw[-1] = fw[-1] + fl[3] * c;
2415 /* Inverse 9-7 wavelet transform in 1-D. */
2417 static void opj_v4dwt_decode(opj_v4dwt_t* OPJ_RESTRICT dwt)
2420 if (dwt->cas == 0) {
2421 if (!((dwt->dn > 0) || (dwt->sn > 1))) {
2427 if (!((dwt->sn > 0) || (dwt->dn > 1))) {
2434 opj_v4dwt_decode_step1_sse(dwt->wavelet + a, dwt->win_l_x0, dwt->win_l_x1,
2435 _mm_set1_ps(opj_K));
2436 opj_v4dwt_decode_step1_sse(dwt->wavelet + b, dwt->win_h_x0, dwt->win_h_x1,
2437 _mm_set1_ps(opj_c13318));
2438 opj_v4dwt_decode_step2_sse(dwt->wavelet + b, dwt->wavelet + a + 1,
2439 dwt->win_l_x0, dwt->win_l_x1,
2440 (OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
2441 _mm_set1_ps(opj_dwt_delta));
2442 opj_v4dwt_decode_step2_sse(dwt->wavelet + a, dwt->wavelet + b + 1,
2443 dwt->win_h_x0, dwt->win_h_x1,
2444 (OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
2445 _mm_set1_ps(opj_dwt_gamma));
2446 opj_v4dwt_decode_step2_sse(dwt->wavelet + b, dwt->wavelet + a + 1,
2447 dwt->win_l_x0, dwt->win_l_x1,
2448 (OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
2449 _mm_set1_ps(opj_dwt_beta));
2450 opj_v4dwt_decode_step2_sse(dwt->wavelet + a, dwt->wavelet + b + 1,
2451 dwt->win_h_x0, dwt->win_h_x1,
2452 (OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
2453 _mm_set1_ps(opj_dwt_alpha));
2455 opj_v4dwt_decode_step1(dwt->wavelet + a, dwt->win_l_x0, dwt->win_l_x1,
2457 opj_v4dwt_decode_step1(dwt->wavelet + b, dwt->win_h_x0, dwt->win_h_x1,
2459 opj_v4dwt_decode_step2(dwt->wavelet + b, dwt->wavelet + a + 1,
2460 dwt->win_l_x0, dwt->win_l_x1,
2461 (OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
2463 opj_v4dwt_decode_step2(dwt->wavelet + a, dwt->wavelet + b + 1,
2464 dwt->win_h_x0, dwt->win_h_x1,
2465 (OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
2467 opj_v4dwt_decode_step2(dwt->wavelet + b, dwt->wavelet + a + 1,
2468 dwt->win_l_x0, dwt->win_l_x1,
2469 (OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
2471 opj_v4dwt_decode_step2(dwt->wavelet + a, dwt->wavelet + b + 1,
2472 dwt->win_h_x0, dwt->win_h_x1,
2473 (OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
2480 /* Inverse 9-7 wavelet transform in 2-D. */
2483 OPJ_BOOL opj_dwt_decode_tile_97(opj_tcd_tilecomp_t* OPJ_RESTRICT tilec,
2489 opj_tcd_resolution_t* res = tilec->resolutions;
2491 OPJ_UINT32 rw = (OPJ_UINT32)(res->x1 -
2492 res->x0); /* width of the resolution level computed */
2493 OPJ_UINT32 rh = (OPJ_UINT32)(res->y1 -
2494 res->y0); /* height of the resolution level computed */
2496 OPJ_UINT32 w = (OPJ_UINT32)(tilec->resolutions[tilec->minimum_num_resolutions -
2498 tilec->resolutions[tilec->minimum_num_resolutions - 1].x0);
2502 l_data_size = opj_dwt_max_resolution(res, numres);
2503 /* overflow check */
2504 if (l_data_size > (SIZE_MAX - 5U)) {
2505 /* FIXME event manager error callback */
2509 /* overflow check */
2510 if (l_data_size > (SIZE_MAX / sizeof(opj_v4_t))) {
2511 /* FIXME event manager error callback */
2514 h.wavelet = (opj_v4_t*) opj_aligned_malloc(l_data_size * sizeof(opj_v4_t));
2516 /* FIXME event manager error callback */
2519 v.wavelet = h.wavelet;
2522 OPJ_FLOAT32 * OPJ_RESTRICT aj = (OPJ_FLOAT32*) tilec->data;
2525 h.sn = (OPJ_INT32)rw;
2526 v.sn = (OPJ_INT32)rh;
2530 rw = (OPJ_UINT32)(res->x1 -
2531 res->x0); /* width of the resolution level computed */
2532 rh = (OPJ_UINT32)(res->y1 -
2533 res->y0); /* height of the resolution level computed */
2535 h.dn = (OPJ_INT32)(rw - (OPJ_UINT32)h.sn);
2536 h.cas = res->x0 % 2;
2539 h.win_l_x1 = (OPJ_UINT32)h.sn;
2541 h.win_h_x1 = (OPJ_UINT32)h.dn;
2542 for (j = 0; j + 3 < rh; j += 4) {
2544 opj_v4dwt_interleave_h(&h, aj, w, rh - j);
2545 opj_v4dwt_decode(&h);
2547 for (k = 0; k < rw; k++) {
2548 aj[k ] = h.wavelet[k].f[0];
2549 aj[k + (size_t)w ] = h.wavelet[k].f[1];
2550 aj[k + (size_t)w * 2] = h.wavelet[k].f[2];
2551 aj[k + (size_t)w * 3] = h.wavelet[k].f[3];
2559 opj_v4dwt_interleave_h(&h, aj, w, rh - j);
2560 opj_v4dwt_decode(&h);
2561 for (k = 0; k < rw; k++) {
2564 aj[k + (size_t)w * 2] = h.wavelet[k].f[2];
2567 aj[k + (size_t)w ] = h.wavelet[k].f[1];
2570 aj[k] = h.wavelet[k].f[0];
2575 v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
2576 v.cas = res->y0 % 2;
2578 v.win_l_x1 = (OPJ_UINT32)v.sn;
2580 v.win_h_x1 = (OPJ_UINT32)v.dn;
2582 aj = (OPJ_FLOAT32*) tilec->data;
2583 for (j = rw; j > 3; j -= 4) {
2586 opj_v4dwt_interleave_v(&v, aj, w, 4);
2587 opj_v4dwt_decode(&v);
2589 for (k = 0; k < rh; ++k) {
2590 memcpy(&aj[k * (size_t)w], &v.wavelet[k], 4 * sizeof(OPJ_FLOAT32));
2600 opj_v4dwt_interleave_v(&v, aj, w, j);
2601 opj_v4dwt_decode(&v);
2603 for (k = 0; k < rh; ++k) {
2604 memcpy(&aj[k * (size_t)w], &v.wavelet[k], (size_t)j * sizeof(OPJ_FLOAT32));
2609 opj_aligned_free(h.wavelet);
2614 OPJ_BOOL opj_dwt_decode_partial_97(opj_tcd_tilecomp_t* OPJ_RESTRICT tilec,
2617 opj_sparse_array_int32_t* sa;
2621 /* This value matches the maximum left/right extension given in tables */
2622 /* F.2 and F.3 of the standard. Note: in opj_tcd_is_subband_area_of_interest() */
2623 /* we currently use 3. */
2624 const OPJ_UINT32 filter_width = 4U;
2626 opj_tcd_resolution_t* tr = tilec->resolutions;
2627 opj_tcd_resolution_t* tr_max = &(tilec->resolutions[numres - 1]);
2629 OPJ_UINT32 rw = (OPJ_UINT32)(tr->x1 -
2630 tr->x0); /* width of the resolution level computed */
2631 OPJ_UINT32 rh = (OPJ_UINT32)(tr->y1 -
2632 tr->y0); /* height of the resolution level computed */
2636 /* Compute the intersection of the area of interest, expressed in tile coordinates */
2637 /* with the tile coordinates */
2638 OPJ_UINT32 win_tcx0 = tilec->win_x0;
2639 OPJ_UINT32 win_tcy0 = tilec->win_y0;
2640 OPJ_UINT32 win_tcx1 = tilec->win_x1;
2641 OPJ_UINT32 win_tcy1 = tilec->win_y1;
2643 sa = opj_dwt_init_sparse_array(tilec, numres);
2646 OPJ_BOOL ret = opj_sparse_array_int32_read(sa,
2647 tr_max->win_x0 - (OPJ_UINT32)tr_max->x0,
2648 tr_max->win_y0 - (OPJ_UINT32)tr_max->y0,
2649 tr_max->win_x1 - (OPJ_UINT32)tr_max->x0,
2650 tr_max->win_y1 - (OPJ_UINT32)tr_max->y0,
2652 1, tr_max->win_x1 - tr_max->win_x0,
2656 opj_sparse_array_int32_free(sa);
2660 l_data_size = opj_dwt_max_resolution(tr, numres);
2661 /* overflow check */
2662 if (l_data_size > (SIZE_MAX - 5U)) {
2663 /* FIXME event manager error callback */
2667 /* overflow check */
2668 if (l_data_size > (SIZE_MAX / sizeof(opj_v4_t))) {
2669 /* FIXME event manager error callback */
2672 h.wavelet = (opj_v4_t*) opj_aligned_malloc(l_data_size * sizeof(opj_v4_t));
2674 /* FIXME event manager error callback */
2677 v.wavelet = h.wavelet;
2679 for (resno = 1; resno < numres; resno ++) {
2681 /* Window of interest subband-based coordinates */
2682 OPJ_UINT32 win_ll_x0, win_ll_y0, win_ll_x1, win_ll_y1;
2683 OPJ_UINT32 win_hl_x0, win_hl_x1;
2684 OPJ_UINT32 win_lh_y0, win_lh_y1;
2685 /* Window of interest tile-resolution-based coordinates */
2686 OPJ_UINT32 win_tr_x0, win_tr_x1, win_tr_y0, win_tr_y1;
2687 /* Tile-resolution subband-based coordinates */
2688 OPJ_UINT32 tr_ll_x0, tr_ll_y0, tr_hl_x0, tr_lh_y0;
2692 h.sn = (OPJ_INT32)rw;
2693 v.sn = (OPJ_INT32)rh;
2695 rw = (OPJ_UINT32)(tr->x1 - tr->x0);
2696 rh = (OPJ_UINT32)(tr->y1 - tr->y0);
2698 h.dn = (OPJ_INT32)(rw - (OPJ_UINT32)h.sn);
2701 v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
2704 /* Get the subband coordinates for the window of interest */
2706 opj_dwt_get_band_coordinates(tilec, resno, 0,
2707 win_tcx0, win_tcy0, win_tcx1, win_tcy1,
2708 &win_ll_x0, &win_ll_y0,
2709 &win_ll_x1, &win_ll_y1);
2712 opj_dwt_get_band_coordinates(tilec, resno, 1,
2713 win_tcx0, win_tcy0, win_tcx1, win_tcy1,
2714 &win_hl_x0, NULL, &win_hl_x1, NULL);
2717 opj_dwt_get_band_coordinates(tilec, resno, 2,
2718 win_tcx0, win_tcy0, win_tcx1, win_tcy1,
2719 NULL, &win_lh_y0, NULL, &win_lh_y1);
2721 /* Beware: band index for non-LL0 resolution are 0=HL, 1=LH and 2=HH */
2722 tr_ll_x0 = (OPJ_UINT32)tr->bands[1].x0;
2723 tr_ll_y0 = (OPJ_UINT32)tr->bands[0].y0;
2724 tr_hl_x0 = (OPJ_UINT32)tr->bands[0].x0;
2725 tr_lh_y0 = (OPJ_UINT32)tr->bands[1].y0;
2727 /* Substract the origin of the bands for this tile, to the subwindow */
2728 /* of interest band coordinates, so as to get them relative to the */
2730 win_ll_x0 = opj_uint_subs(win_ll_x0, tr_ll_x0);
2731 win_ll_y0 = opj_uint_subs(win_ll_y0, tr_ll_y0);
2732 win_ll_x1 = opj_uint_subs(win_ll_x1, tr_ll_x0);
2733 win_ll_y1 = opj_uint_subs(win_ll_y1, tr_ll_y0);
2734 win_hl_x0 = opj_uint_subs(win_hl_x0, tr_hl_x0);
2735 win_hl_x1 = opj_uint_subs(win_hl_x1, tr_hl_x0);
2736 win_lh_y0 = opj_uint_subs(win_lh_y0, tr_lh_y0);
2737 win_lh_y1 = opj_uint_subs(win_lh_y1, tr_lh_y0);
2739 opj_dwt_segment_grow(filter_width, (OPJ_UINT32)h.sn, &win_ll_x0, &win_ll_x1);
2740 opj_dwt_segment_grow(filter_width, (OPJ_UINT32)h.dn, &win_hl_x0, &win_hl_x1);
2742 opj_dwt_segment_grow(filter_width, (OPJ_UINT32)v.sn, &win_ll_y0, &win_ll_y1);
2743 opj_dwt_segment_grow(filter_width, (OPJ_UINT32)v.dn, &win_lh_y0, &win_lh_y1);
2745 /* Compute the tile-resolution-based coordinates for the window of interest */
2747 win_tr_x0 = opj_uint_min(2 * win_ll_x0, 2 * win_hl_x0 + 1);
2748 win_tr_x1 = opj_uint_min(opj_uint_max(2 * win_ll_x1, 2 * win_hl_x1 + 1), rw);
2750 win_tr_x0 = opj_uint_min(2 * win_hl_x0, 2 * win_ll_x0 + 1);
2751 win_tr_x1 = opj_uint_min(opj_uint_max(2 * win_hl_x1, 2 * win_ll_x1 + 1), rw);
2755 win_tr_y0 = opj_uint_min(2 * win_ll_y0, 2 * win_lh_y0 + 1);
2756 win_tr_y1 = opj_uint_min(opj_uint_max(2 * win_ll_y1, 2 * win_lh_y1 + 1), rh);
2758 win_tr_y0 = opj_uint_min(2 * win_lh_y0, 2 * win_ll_y0 + 1);
2759 win_tr_y1 = opj_uint_min(opj_uint_max(2 * win_lh_y1, 2 * win_ll_y1 + 1), rh);
2762 h.win_l_x0 = win_ll_x0;
2763 h.win_l_x1 = win_ll_x1;
2764 h.win_h_x0 = win_hl_x0;
2765 h.win_h_x1 = win_hl_x1;
2766 for (j = 0; j + 3 < rh; j += 4) {
2767 if ((j + 3 >= win_ll_y0 && j < win_ll_y1) ||
2768 (j + 3 >= win_lh_y0 + (OPJ_UINT32)v.sn &&
2769 j < win_lh_y1 + (OPJ_UINT32)v.sn)) {
2770 opj_v4dwt_interleave_partial_h(&h, sa, j, opj_uint_min(4U, rh - j));
2771 opj_v4dwt_decode(&h);
2772 if (!opj_sparse_array_int32_write(sa,
2775 (OPJ_INT32*)&h.wavelet[win_tr_x0].f[0],
2777 /* FIXME event manager error callback */
2778 opj_sparse_array_int32_free(sa);
2779 opj_aligned_free(h.wavelet);
2786 ((j + 3 >= win_ll_y0 && j < win_ll_y1) ||
2787 (j + 3 >= win_lh_y0 + (OPJ_UINT32)v.sn &&
2788 j < win_lh_y1 + (OPJ_UINT32)v.sn))) {
2789 opj_v4dwt_interleave_partial_h(&h, sa, j, rh - j);
2790 opj_v4dwt_decode(&h);
2791 if (!opj_sparse_array_int32_write(sa,
2794 (OPJ_INT32*)&h.wavelet[win_tr_x0].f[0],
2796 /* FIXME event manager error callback */
2797 opj_sparse_array_int32_free(sa);
2798 opj_aligned_free(h.wavelet);
2803 v.win_l_x0 = win_ll_y0;
2804 v.win_l_x1 = win_ll_y1;
2805 v.win_h_x0 = win_lh_y0;
2806 v.win_h_x1 = win_lh_y1;
2807 for (j = win_tr_x0; j < win_tr_x1; j += 4) {
2808 OPJ_UINT32 nb_elts = opj_uint_min(4U, win_tr_x1 - j);
2810 opj_v4dwt_interleave_partial_v(&v, sa, j, nb_elts);
2811 opj_v4dwt_decode(&v);
2813 if (!opj_sparse_array_int32_write(sa,
2815 j + nb_elts, win_tr_y1,
2816 (OPJ_INT32*)&h.wavelet[win_tr_y0].f[0],
2818 /* FIXME event manager error callback */
2819 opj_sparse_array_int32_free(sa);
2820 opj_aligned_free(h.wavelet);
2827 OPJ_BOOL ret = opj_sparse_array_int32_read(sa,
2828 tr_max->win_x0 - (OPJ_UINT32)tr_max->x0,
2829 tr_max->win_y0 - (OPJ_UINT32)tr_max->y0,
2830 tr_max->win_x1 - (OPJ_UINT32)tr_max->x0,
2831 tr_max->win_y1 - (OPJ_UINT32)tr_max->y0,
2833 1, tr_max->win_x1 - tr_max->win_x0,
2838 opj_sparse_array_int32_free(sa);
2840 opj_aligned_free(h.wavelet);
2845 OPJ_BOOL opj_dwt_decode_real(opj_tcd_t *p_tcd,
2846 opj_tcd_tilecomp_t* OPJ_RESTRICT tilec,
2849 if (p_tcd->whole_tile_decoding) {
2850 return opj_dwt_decode_tile_97(tilec, numres);
2852 return opj_dwt_decode_partial_97(tilec, numres);